期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 19, 期 33, 页码 22111-22120出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cp02872e
关键词
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资金
- UK EPSRC [EP/N001583/1, EP/N032888/1, EP/M009394/1]
- UCL BEAMS
- Royal Academy of Engineering
- UK EPSRC
- UCL
- EPSRC [EP/I02249X/1, EP/N032888/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/I02249X/1, 1272545, EP/N032888/1] Funding Source: researchfish
The growth of electrodeposited lithium microstructures on metallic lithium electrodes has prevented their use in rechargeable lithium batteries due to early performance degradation and safety implications. Understanding the evolution of lithium microstructures during battery operation is crucial for the development of an effective and safe rechargeable lithium-metal battery. This study employs both synchrotron and laboratory X-ray computed tomography to investigate the morphological evolution of the surface of metallic lithium electrodes during a single cell discharge and over numerous cycles, respectively. The formation of surface pits and the growth of mossy lithium deposits through the separator layer are characterised in three-dimensions. This has provided insight into the microstructural evolution of lithium-metal electrodes during rechargeable battery operation, and further understanding of the importance of separator architecture in mitigating lithium dendrite growth.
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